214897812861 has 8 divisors (see below), whose sum is σ = 296410776480. Its totient is φ = 138325028912.

The previous prime is 214897812859. The next prime is 214897812929. The reversal of 214897812861 is 168218798412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214897812861 - 2¹ = 214897812859 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214897812461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235044815 + ... + 1235044988.

It is an arithmetic number, because the mean of its divisors is an integer number (37051347060).

Almost surely, 2^214897812861 is an apocalyptic number.

It is an amenable number.

214897812861 is a deficient number, since it is larger than the sum of its proper divisors (81512963619).

214897812861 is a wasteful number, since it uses less digits than its factorization.

214897812861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470089835.

The product of its digits is 3096576, while the sum is 57.

The spelling of 214897812861 in words is "two hundred fourteen billion, eight hundred ninety-seven million, eight hundred twelve thousand, eight hundred sixty-one".